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Search: id:A145738
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A145738 a(n) = squarefree part of A145609(n) +0
2
3, 1, 1, 761, 61, 509, 1171733, 8431, 39541, 55835135, 36093, 1347822955, 34395742267, 375035183, 9682292227, 586061125622639, 54062195834749, 40030624861, 2053580969474233, 1236275063173, 6657281227331 (list; graph; listen)
OFFSET

1,1

COMMENT

For square parts see A145737.

MATHEMATICA

m = 1; aa = {}; Do[k = 0; Do[k = k + m^(2 r + 1 - d)/d, {d, 1, 2 r}]; b = Sqrt[Numerator[k]] /. Sqrt[_] -> 1; c = Sqrt[Numerator[k]]/b /. Sqrt[x_] -> x; AppendTo[aa, c], {r, 1, 25}]; aa (*Artur Jasinski*)

CROSSREFS

A128059, A145609, A145738

Sequence in context: A083993 A156727 A010272 this_sequence A095199 A074735 A074090

Adjacent sequences: A145735 A145736 A145737 this_sequence A145739 A145740 A145741

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Oct 17 2008

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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